1. Department of Conservative Dentistry Dental Research Institute Pusan National University School of Dentistry Yangsan Korea
2. Department of Oral Anatomy Pusan National University School of Dentistry Yangsan Korea
3. Dental and Life Science Institute Pusan National University Yangsan Korea
4. Department of Oral Physiology Pusan National University School of Dentistry Yangsan Korea
5. Periodontal Diseases Signaling Network Research Center Pusan National University Yangsan Korea